I punished my son for his fault this morning.But I would rather not________it;after all,he is only 5 years old.
A:to do
B:do
C:to have done
D:have done
选择适当的关联词。
他_____学习和品德都很好,_____身体也很好。( )
停车场上的汽车先开来18辆,又开走了9辆,现在有多少辆?